Cool & Breezy conditions suppress / diminish flights, TX28 0:38, SMCenterpoint Frio 0:40, McNeil ABIA 0:42, WellsBranch 0:44, SchertzClemens Randolph 410&IH35 SanPedro FtSam Camden Southtown Seguin 0:46, Howard Congress(only ~1% flew – 2% to altitude) 0:48, SanMarcos Bracken SCUCISD 0:52, Temple 0:56, FosterRd 1:06, Frio2 1:10, GrapeCreekHS 1:12, SMRB(Slayden) 1:14, Chiroptorium 1:20, Stuart NuecesRR 1:22, SmythCrossing 1:24, D’Hanis 1:34,

6:20 pm – 6:50 pm
when conditions allow, i.e. when temps are >50°F, Dew Point >45°F (>38°F after long torpor), Heating Degree Days <9 (<15 after long torpor), atmosphere stable, no pressure drops, no strong wind, no rain in the area
chance for a good flight tonight

Sunset: 6:35 pm
Dark: 7:05 pm (10-20 minutes earlier if cloudy)
Sunrise: 6:47 am 

Flight: 6:46pm  
Scouts: 

12 minutes after sunset ~50.4k flew 14 miles SSE on NW Winds at 13 mph with gusts to 25 mph – had been NW 10-15 mph & Gusty most of the afternoon, Mostly Cloudy, Temp 69°F, Dew Point 51°F rising, 2 Cooling Degree Days, Cloud Base 4104′, RH 53% rising, Wind Chill N/A, BP 29.83 steady, bats viewable until 8:29 pm under streetlights

Cool N Winds dominate, Camden 0:38 as front approaches, SchertzClemens SanPedro 0:40, Knippa 0:42, SMCenterpoint SCUCISD Randolph TX28 BalconesHeights 0:44, McNeil 410&IH35 SALutheranHS Seguin 0:48, WellsBranch Howard Frio NuecesRR SmythCrossing EaglePass 0:52, Congress(only ~7% of the colony (6% to altitude) 0:54, Wimberley SanMarcos Landau Bracken SMRB(Slayden) 0:56, Bracketville FM1572 Spofford Pinto 1:00, Stuart 1:04, Chiroptorium 1:06, GrapeCreekHS 1:10, FosterRd 1:16, Fern 1:20, OldTunnel Huber 1:26, DavisBlowout 1:28, Centerpoint 1:34,

6:25 pm – 6:55 pm
when conditions allow, i.e. when temps are >50°F, Dew Point >45°F (>38°F after long torpor), Heating Degree Days <9 (<15 after long torpor), atmosphere stable, no pressure drops, no strong wind, no rain in the area
chance for a good flight tonight

Sunset: 6:35 pm
Dark: 7:05 pm (10-20 minutes earlier if cloudy)
Sunrise: 6:48 am 

Flight: 7:44 pm  12 minutes after rain ended
Scouts: 

71 minutes after sunset – 12 minutes after rain stopped only ~5% of the colony flew 6 miles NNW on S Winds NE at 9 mph – had been SE 10-15 mph all afternoon with Light Rain ending around 3pm, Visibility 10 miles, Mostly Cloudy, Temp 71°F, Dew Point 67°F rising, 6 Cooling Degree Days, Cloud Base 912′, RH 87% rising, Wind Chill N/A, BP 29.67 rising, bats viewable until 9:31 pm under streetlights

Rain over Austin & SanAntonio clears early to the E, followed by pop-up showers along IH35, McNeil SCUCISD SchertzClemens Randolph 0:50, NuecesRR 0:52, SanMarcos SMCenterpoint Bracken 410&IH35 SanPedro Camden Webb SmythCrossing 0:56, Stuart GrapeCreekHS EaglePass 0:58, Frio 1:00, CongressScouts Uvalde Spofford Fern FosterRd 1:02, Victoria 1:06, Seguin 1:08, D’Hanis 1:10, Centerpoint 1:14, Chiroptorium 1:18, OldTunnel 1:22, Congress(only ~5% flew after the rain – 30% of those went to atltitude) 1:52 after rain at flight time,

6:25 pm – 6:55 pm
when conditions allow, i.e. when temps are >50°F, Dew Point >45°F (>38°F after long torpor), Heating Degree Days <9 (<15 after long torpor), atmosphere stable, no pressure drops, no strong wind, no rain in the area
chance for a good flight tonight

Sunset: 6:34 pm
Dark: 7:04 pm (10-20 minutes earlier if cloudy)
Sunrise: 6:50 am 

Flight: 6:58 pm  
Scouts: 6:52 pm

28 minutes after sunset, ~25% of the colony flew, some went 8 miles NW the others went 8 miles NE on S Winds at 8 mph – had been S 7-12 mph most of the afternoon with gusts to 17 mph around 4 pm, Temp 76°F, Dew Point 62°F rising, Visibility 10 miles, Mostly Cloudy, 2 Cooling Degree Days, Cloud Base 3192′, RH 62% rising, Heat Index 78°F, BP 29.81 rising, bats viewable until 9:29 pm

Slightly unstable conditions, front moving N into SanAnto around flight time, SanPedro BalconesHeights SALutheranHS 0:24, McNeil 0:42, D’Hanis 0:46, Bracken TX28 Randolph GrapeCreekHS 0:48, Spofford 0:50, Sabinal Knippa Frio NuecesRR SmythCrossing Pinto FosterRd 0:54, SMCenterpoint EaglePass 0:58, CongressScouts 1:00, SanMarcos Stuart Fern 1:02, Temple 1:04, Congress(25% of the colony flew – 26% to altitude) ElMoral(Coahuila) 1:06, Centerpoint SMRB(Slayden) SanCarlos(Coahuila) 1:08, OldTunnel Dilley 1:28,